Dr. Leonard L. Mason

Katherine Sahm is a General Surgeon in Wilmington, Delaware. Dr. Sahm has been practicing medicine for over 4 years and is rated as a Distinguished provider by MediFind in the treatment of Cholangitis. Her top areas of expertise are Cholecystitis, Gallbladder Disease, Retroperitoneal Inflammation, Colostomy, and Hernia Surgery.

William Egan is a General Surgeon in Newark, Delaware. Dr. Egan has been practicing medicine for over 43 years and is rated as a Distinguished provider by MediFind in the treatment of Cholangitis. His top areas of expertise are Gallbladder Disease, Gallstones, Choledocholithiasis, Hernia Surgery, and Colostomy.

William Burns, M.D., is an assistant professor of surgery at the Johns Hopkins University School of Medicine and a surgeon within the Division of Hepato-Pancreato-Biliary & Gastrointestinal Surgical Oncology at The Johns Hopkins Hospital. Prior to joining the faculty at Johns Hopkins, Dr. Burns served as an assistant professor of surgery at the University of Michigan, as well as an attending physician at the University of Michigan Health Systems and the VA Ann Arbor Healthcare System. Dr. Burns received his medical degree from Yale University School of Medicine and was awarded a research training fellowship by the Howard Hughes Medical Institute. He completed an internship and residency in general surgery at The Johns Hopkins Hospital followed by clinical fellowship training in complex general surgical oncology at The University of Texas MD Anderson Cancer Center. Additionally, he completed postgraduate research fellowships in the field of cancer immunotherapy and tumor immunology at the National Cancer Institute and the MD Anderson Cancer Center. Dr. Burns specializes in treating patients with tumors of the pancreas and gastrointestinal tract, sarcoma and melanoma. He is trained in traditional and minimally invasive surgical techniques. Furthermore, he works closely with colleagues in medical and radiation oncology to provide comprehensive cancer care. His research focuses on immune cell-tumor cell interactions to improve outcomes in patients with pancreatic cancer, cancer immunotherapy for solid tumors, the role of lymph node surgery in the treatment of cancer, and human biospecimen analysis to guide therapy in patients with cancer. He is a member of several professional societies, including the American College of Surgeons, Society of Surgical Oncology, Association of Academic Surgery, and Society of Immunotherapy for Cancer. Dr. Burns is rated as an Advanced provider by MediFind in the treatment of Cholangitis. His top areas of expertise are Neuroendocrine Tumor, Familial Pancreatic Cancer, Familial Colorectal Cancer, Small Bowel Resection, and Pancreatectomy.